Luigi vacuums enemies with hurricane-force suction. Enemies caught by this attack are damaged and fired diagonally upward, potentially soaring right off he screen! If you suck up an item, it becomes a projectile.

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In Super Smash Bros. 4, when performing this move, Luigi starts by trying to trap opponents and items close to him inside the vacuum. Upon activation, Luigi will automatically sweep the vacuum's suction around him radially--a couple sweeps in front, once behind, then a few more in front--remaining in place for the move's duration, even when used in the air. If any opponents are caught in the initial pass, they receive up to 30% damage before Luigi shoots them out upward diagonally, causing an additional 10% damage and tremendous knockback. Opponents caught will receive the same amount of damage regardless of the time they were sucked in (their percentages increases faster to compensate). Some types of items can be shot out at the end of the move, further damaging opponents as they travel and it is possible to pick them up afterward. Foes sent flying will potentially collide with each other (excluding Team Battles), also causing even more damage. If no opponents or eligible items are caught, the Final Smash will fail. It can't suck in opponents behind solid walls. If used in midair, Luigi will bounce upwards once the move ends to aid recovery.

In Super Smash Bros. Ultimate, it is renamed as it now uses the design of the Poltergust with the same name from Luigi's Mansion 3. It remains functionally identical except that there is a much longer time between the opponents being shot out.

In Ultimate, the Poltergust G-00 also acts as Luigi's grab and grab aerial. It is a fairly unconventional grab aerial, as it can't be used as a tether recovery; however, unlike other grab aerials, the plungers shot by the Poltergust are projectiles that will slowly fall down after the move is used with a weak hitbox active.

A ghost-sucking vacuum cleaner created by Professor E. Gadd. In Luigi's ghostly adventures, it's the only thing standing between him and complete terror. In this game, it sucks in enemies, damages them, and then fires them diagonally upward. If it's used in an area with no ceilings, you might send them soaring right off the screen!

A ghost-sucking vacuum cleaner created by Professor E. Gadd. In Luigi's ghostly adventures, it's the only thing standing between him and abject terror. In this game, it sucks in enemies, damages them, then fires them diagonally upward. Use it in an area with no ceilings, and you might send them soaring right off the screen!

Luigi's trusty tool, the Poltergust 3000. This isn't your neighbor's boring, old vacuum—the Poltergust 3000 sucks up ghosts! It also can find them when they are hiding and can blow them around a room! Why doesn't every family own one of these, I wonder...

Unlike your run-of-the-mill vacuum cleaner, this one sucks up...ghosts! And it doesn't just suck them up - it blows them around, draws them to you, and even helps you find them when they're hidden. Talk about convenient! No home should be without one. No Luigi should be without one, either.

Poltergust 5000 is one of the few moves in Smash 4 which allow careening fighters to damage other fighters, despite this property being removed from general gameplay since Brawl.

When Luigi uses moves that involve Poltergust G-00, his animations are not mirrored; that means he can show his back whenever he uses Poltergust G-00.

The Poltergust G-00's suction cup is portrayed differently in Simon's reveal trailer, in actual gameplay, and in Luigi's Mansion 3. The trailer shows it as a simple plunger fired from the nozzle, Ultimate portrays it with the plunger attached to the Poltergust with a string at all times, and Luigi's Mansion 3 has it fired as a projectile with a knotted rope for Luigi to suck in with the vacuum itself.